move the vers.c depend/build goo to Makefile.bootprogs and remove
explicit rules in other Makefiles
sync the message in */version files with other ports using newvers_stand.sh
XXX the new depend rules were tested to limited extend (also with obj dirs)
XXX on i386 and should be ok; the changes should not otherwise influence build
are all the same, so eliminate the redundancy. also, use mrg's
"Version:" trick to find the version rather than using the RCS ID.
(I must have been having a ... bad day.) Also, bump boot and netboot
versions for all the changes that have been happening lately.
jdolecek